military summoning system in the medieval apocalyptic world

"It's over between us, Dylan, Don't you get it. I'm not in your class anymore..." "You're too broke for me. It's over..!!" Dylan was devastated after his four-year relationship ended abruptly. He couldn't help but think of all the efforts he had put in to make it work, only to be cheated on by his partner with a wealthy classmate. Dylan at his lowest received a notification from an unknown system. "Host detected!!" "Congratulations! You're the luckiest man among billions. You are chosen to be the Ultimate ruler of the infinite world!" "Initiating system pairing, paring begins!" "20% 50%...... 70% System paring according to host needs." "Analysis complete!!" "Transaction begins......" "Wow!! I'm definitely the most richest man in the world. I will repay all those that have hurt me!!"

"What is it that you want to do, when the whole world is crumbling down?" "I..." "I want to live." July 8th, 20XX the Lord descended down to the earth and brought forth the apocalypse. He opened the gates of hell and threw the world into chaos. The humanity was left abandoned to a fate worse than death by the very hands of their creator. And from there,a mysterious system emerged, granting the survivors powers beyond the reaches of humanity. Hope once again blossomed in the hearts of many. "We will survive! And then, The Heavens that forsake us would be ours!"

What happens when you receive a system after a heart-break. Betrayed and humiliated by his girlfriend to a point of depression, Tristan's saw nothing good in himself, being called poor and charged of an obscene-related crime only made matters worse. However in his emotional state, Tristan could only hear a mechanical voice inside his head, alas! it was a system. [ You have received a role play system] ......."I have a technology that no one even knows exist!" .......

Betrayed by those he trusted most, Kael, the Eternal Overlord, falls in a fiery siege, his enemies celebrating his demise. Yet, the abyss grants him a second chance—a reincarnation into a cursed body with immense untapped potential. Stripped of his former power and navigating a fragmented memory, Kael must reclaim his throne, uncover the truth behind his betrayal, and face a sinister force manipulating events from the shadows. In a land where loyalty can be bought, alliances are honorless, and betrayal waits around every corner, Kael must now tread a dangerous journey toward glory. Armed with knowledge from his past and a accursed power that is also threatening his very being, can he rise again to become an even greater ruler than before?

Year 20XX The dimension between the human world and the demon world was split open, and the two worlds became connected. As a result, demons and magic appeared in the human world. Therefore, to help humans who are struggling against demons, The strongest angel in heaven, Samuel, hid his powers and entered the human school of magic and began to fight together to save the human world from the destruction of the demons.

[Complete the missions, gain experience, and improve your stats!] Ever since Harry McKane was given the System, his life became considerably simpler. He gains the admiration of his peers, is no longer looked down upon, and, most significantly, need not worry about his financial stability. One thing Harry failed to take into account was the possibility that other players may force him into player against player (PvP) combat. His safety is constantly threatened by a series of strange and inexplicable occurrences. All the way from the advent of a mysterious female called Evangeline Hudson who hunts player like him, to a string of unexplained deaths, and ... the approaching zombie apocalypse? "Hang on a sec. I just don't get it. Zombies? Not monsters?" "Do you believe that everyone else is as traditional as you are? Everything needs a little improvisation."

Dave is a police officer and went to his ex-girlfriend's wedding, he boldly took out the handcuffs, offering the groom a three-day tour of the police station! Ex-girlfriend asked, "Dave, have you gone crazy? If you wanted to disrupt the wedding, shouldn't you just take me? What's with arresting my husband?" With the Criminal-Capturing System, Dave would receive rewards for apprehending criminals! It doesn't stop here, he will choose the path of lynching to kill those whose crimes are sins. He will be the lynching master, in night and during a cop who is nothing but a loser for world.

Nathan Hunt, a young man burdened by his father's debt and trapped in a loveless marriage to the daughter of his tormentors, finds his life turned upside down when a pair of inherited dice unlock a powerful family secret - The Fortune System (FORST). This sentient system promises wealth and freedom, but at a cost: weekly challenges with unpredictable rewards and punishments. Driven by the promise of vengeance and a desperate need to reclaim his life and rescue his sister who's also a slave with his in-laws, Nathan embraces the FORST's gamble. Each roll of the dice unlocks not just wealth, but the perfect means for retribution and revenge. It's time to take revenge, time to take over their world, time to make them pay.

I thought love was supposed to be my escape—but it became my downfall. The girl I gave everything to, the one who promised forever, betrayed me with a smirk and a kiss... meant for someone else. Not just anyone—but the heir of a billionaire empire. And when I walked in on them, shirtless and laughing, I wasn’t just heartbroken—I was humiliated. She didn’t even flinch. She just said, “You never had a chance.” And the whole campus agreed. Poor. Powerless. Pathetic. That was me. I hit rock bottom that night. I wanted it all to end. But the universe had other plans. A strange light filled my vision, and suddenly, a screen appeared before me: [Activate the ‘Destiny System’? First Task: Spend $5 million in 72 hours. Rewards Await.] At first, I thought I was hallucinating. But then the money came. Real. Tangible. Endless. Now, I have resources that could shake the world—but so do my enemies. And they’re not just rich. They’re ruthless. Every step I take, someone tries to pull me down. But I’ve changed. I’m no longer that helpless kid begging to be loved. I have the system. I have the drive. And I’m not just going to take revenge— I’m going to rewrite the game. Not only am I having the power of the system but I am also the lost heir to the system wealth. The only question is: What will I lose in the process? Do I have to take revenge or seek out something more than just teenage revenge?

James, a college student struggling to escape his poor and weak life, takes on a delivery job to cover his remaining tuition fees and personal expenses. His relationship with Selena is the only source of happiness in his otherwise bleak existence until it is extinguished by her betrayal. She cheats on him with Randy, the arrogant and affluent star quarterback. Devastated and consumed by anger, James decides to confront Randy but is struck on the head, resulting in a concussion. This concussion triggers a mysterious system called "Opportunity System" that grants him one million dollars. The catch? He has only three days to spend it all. Will he manage to spend the entire sum in time? What will happen when James eventually discovers that the mysterious system was not what it seemed, but rather a scheme devised by RJ Black?